Amalgamator



L. E. KNIGHT Sept. 13, 1932.

AMALGAMATOR Jaffe? ZT K715i j l ATTORNEYS` Filed March 18, 1931 Patented Sept. 13, 1932 LEROY n. KNIGHT, or Nonrnrrnnnvnnivronr AMALGAMATOR f fr" Application led March 18, 1931.-' Serialplo. 523,626. ,y Y

This invention relates to certain new and useful improvements in receptacles and closures therefor known as amalgamators.

An object of the invention contemplates the provision and arrangement of a pestle as the means for closing the neck of the receptacle.

An additional object of the invention consists of a mortar covering the neck of the receptacle and projecting portion of the pestle.

More specifically stated the pestle is provided with a pocket portion to contain a liquid automatically dispensed from the pestle during the mixing action of the latter in a solution carried by the mortar.

With the above and other objects in view, the invention further consists of the following novel features and details of construction, to be hereinafter more fully described, illustrated in the accompanying drawing and pointed out in the appended claim.

In the drawing Figure 1 is a longitudinal sectional view f taken through my invention.

Figure 2 is a horizontal sectional view taken on line 2-2 of Figure 1.

Figure 3 is a view similar to Figure 1 taken through the modied form of my invention.

Figure 4f is a view similar to Figure 2 taken on line 4 1 of Figure 8.

Referring to the drawing in detail wherein like characters of reference denote corresponding parts, the reference character indicates a receptacle or container preferably formed of glass and for purposes of description may be said to contain a quantity of silver alloy. The neck 11 for the receptacle or container is provided with interior and exterior sloping side walls 12 and 13 respectively whereas the shoulder portion 14C as defined between the neck 11 and the receptacle is upwardly and obliquely inclined. The head 15 of a pestle having an annular i5 shoulder 16 seated upon the periphery of the neck 11 and depending within the bore thereof forms a stopper or other closure for the receptacle.

The service or handle end 17 for the pestle is preferably detachably engaged or other-V wise connected with the pestle body preferably by means of screw thread connection as shown in Figure 1 of the drawing. The service or handle end 17 has an elongated well or pocket 18 to hold or otherwise sustain 55 av quantity of mercury. The pestle head 15 may be made of vulcanite, rubber, wood, or glass and in either case same is provided with a pocket portion 19 in communication with the well 18 and shaped in such manner adj a- 60 cent the discharge end thereof to provide a restricted discharge orifice 20.

The mortar, as mentioned in the foregoing, and as indicated at 21, is of cup-shape formation having a flat bottom and tapered side walls in conformity with the angularity or disposition of the surfaces 12 and 13 of the neck 11. The inner surface of the side walls for the mortar lies flush against the outer surface 13 of the neck 11 whereby the pestle, or at least the head 15 therefor, is sealed as against the atmosphere and the orifice 2O in the pestle is closed by the bottom of the Inortar.

In Figures 3 and 4L of the drawing is illustrated a modification of my invention em- `bodying substantially the characteristics of the form of my invention preferably described and illustrated but which diiferentiates from same in the oblivion of the twopiece construction of pestle in order that a more rigid pestle body may be yprovided where greater stress is necessary to be exercised upon a pestle body during the mixing and breaking up of particles in crystalline form.

It has been found that the invention is especially useful for pharmaceutical trades for the breaking up of silver nitrate crystals, the crystals of silver' salts and other drugs in crystalline form.

In the preferred form of the invention, it is to be noted that quantities of mercury may be discharged or otherwise dispensed within the mortar during the .process of mixing other fluids therein.

The invention is susceptiblev of various changes in its form, proportions and minor details of construction, and the right is herein reserved to make ksuch changes as properly fall within the scope of the appended claim. Having thus described the invention, what is claimed is An amalgamator comprising a receptacle having sloping shoulders forming a neck, a pestle having a head fitting in the neck and closing the same, said head portion having a substantially at surface, the head of the pestle having an annular groove which receives the edges of the` shoulders, and a cupshaped mortar fitting over the iatsurface of the pestle and engaging the sloping surfaces of the shoulders.

In testimony WhereoI affix my signature. LEROY E. KNIGHT. 

